// Filename: objToEggConverter.I
// Created by:  drose (03Jan13)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University.  All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license.  You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////
//     Function: ObjToEggConverter::VertexEntry::operator <
//       Access: Public
//  Description: Provides a unique but arbitrary ordering for
//               VertexEntry objects in a map.
////////////////////////////////////////////////////////////////////
INLINE bool ObjToEggConverter::VertexEntry::
operator < (const VertexEntry &other) const {
  if (_vi != other._vi) {
    return _vi < other._vi;
  }
  if (_vti != other._vti) {
    return _vti < other._vti;
  }

  // It's important that these two tests are made last, so we can find
  // the first vertex that has any normal but also matches the above
  // properties.
  if (_vni != other._vni) {
    return _vni < other._vni;
  }
  if (_synth_vni != other._synth_vni) {
    return _synth_vni < other._synth_vni;
  }
  return false;
}

////////////////////////////////////////////////////////////////////
//     Function: ObjToEggConverter::VertexEntry::operator ==
//       Access: Public
//  Description: 
////////////////////////////////////////////////////////////////////
INLINE bool ObjToEggConverter::VertexEntry::
operator == (const VertexEntry &other) const {
  return (_vi == other._vi && _vti == other._vti &&
          _vni == other._vni && _synth_vni == other._synth_vni);
}

////////////////////////////////////////////////////////////////////
//     Function: ObjToEggConverter::VertexEntry::matches_except_normal
//       Access: Public
//  Description: Returns true if all the properties except _vni and _synth_vni
//               are equivalent.
////////////////////////////////////////////////////////////////////
INLINE bool ObjToEggConverter::VertexEntry::
matches_except_normal(const VertexEntry &other) const {
  return (_vi == other._vi && _vti == other._vti);
}
